<header class="header header-fixed navbar">
   <div class="brand" style="background-color: transparent;">
       <!-- 展开、缩小菜单 -->
       <a href="javascript:;" class="ti-menu off-left visible-xs" data-toggle="offscreen" data-move="ltr"></a>
       <!-- Logo -->
       <a href="$!basePath/open/doc" class="navbar-brand">
           <img src="$!basePath/framework/img/logo.png" alt="">
           <span class="heading-font">
               	Documentation
           </span>
       </a>
   </div>
</header>